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Bottom Brackets

$12.99
BB-UN26 cartridge bottom bracket.
- Smooth rotation
- Square taper spindle
- Sealed cartridge bearing assembly

$15.99
- Simple and reliable square taper bottom bracket
- Replaces both BB-UN26 and BB-UN55
- Sealed cartridge bearings
- Cr-Mo axle
- For bicycles equipped with a chain case, select BB-UN300-K
- For E-type front derailleur compatibility, choose BB-UN300-E
- Fixing bolts not included; Shimano FC-E6000 bolts suggested

$15.99 - $19.99
- Simple and reliable square taper bottom bracket
- Replaces both BB-UN26 and BB-UN55
- Sealed cartridge bearings
- Cr-Mo axle
- For bicycles equipped with a chain case, select BB-UN300-K
- For E-type front derailleur compatibility, choose BB-UN300-E
- Fixing bolts not included; Shimano FC-E6000 bolts suggested

$15.99
- Simple and reliable square taper bottom bracket
- Replaces both BB-UN26 and BB-UN55
- Sealed cartridge bearings
- Cr-Mo axle
- For bicycles equipped with a chain case, select BB-UN300-K
- For E-type front derailleur compatibility, choose BB-UN300-E
- Fixing bolts not included; Shimano FC-E6000 bolts suggested

$18.00 - $29.00
FSA PowerPro JIS Cartridge Bottom Brackets.
- Includes bolts
- Spindle Interface Type: Square Taper JIS
- BB Shell Width (mm): 68
- BB/Frame Interface: English

$18.99 - $20.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included

$19.99
High performing square bottom bracket interfaces with English frames.
- Fits square-taper spindle cranksets
- Alloy adjustable cups
- Includes 2 axle bolts

$19.99
- Simple and reliable square taper bottom bracket
- Replaces both BB-UN26 and BB-UN55
- Sealed cartridge bearings
- Cr-Mo axle
- For bicycles equipped with a chain case, select BB-UN300-K
- For E-type front derailleur compatibility, choose BB-UN300-E
- Fixing bolts not included; Shimano FC-E6000 bolts suggested

$19.99
- Deore-level BB92 press-fit Hollowtech II bottom bracket
- Compatible with all mountain Hollowtech II cranks

$21.00
All of Chris King's bottom bracket offerings will need an appropriate Conversion Kit specific to the brand and model of crankset to be used.
- 68mm Threaded BB Shell
- 24mm Road Cranksets
- Common Cranks: Shimano Road, FSA road, Rotor
- Conversion Kit required to work with the Chris King ThreadFit 24 bottom bracket

$23.39 - $24.99
Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles.
- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included

$24.99
Black Label's Mid BB Set includes bearings, washers, a center spacer, and cones. It's for use with 19mm crank axles.

$27.95
- Adapters press directly into specific PF30, BB30, BB86 or BBright frames and allow the use of standard Ultra-Torque (UT) crank sets and EPS components
- Updated design increases surface area contact with the frame's bottom bracket, reducing the possibility of noise from frames with slight imperfections
- Ultra-Torque OS Fit BB-cup tool is required for adapter installation

$28.00
Running a conventional threaded bottom bracket on your BB30 or PF30 frame doesn't have to be complicated. This press-fit adapter from FSA goes in snug and opens up a lot of crankset possibilities for your BB30/PF30 frame.
- Aluminum
- Allows conventional threaded bottom brackets to be installed in a BB30 or PF30 frame
- Install with headset press (not included) and green Loctite (included)

$28.49 - $29.99
WeThePeople's Compact Mid Bottom Bracket uses high-quality precision sealed bearings for use with Mid-size bottom bracket shells. It includes their own 6061 alloy tube spacer and comes with a selection of spacers to help you dial in your drivetrain.

$28.99
- High quality alloy cups compatible with IRD QB55 bottom brackets (sold separately)
- Choose Swiss, French, or Italian bottom bracket thread dimensions
- Left cup: right hand thread
- Right cup: left hand thread

$30.00
The FSA Alloy Cup JIS bottom bracket is suitable for Italian threaded interfaces.
- Alloy cups
- Double "snap" seals for water and dirt protection
- Spindle Interface Type: Square Taper JIS

$31.00
FSA (Full Speed Ahead) MegaExo 19 bottom brackets are for use with 19mm diameter spindles.
- Die cast and CNC-machined alloy bearing cups
- 19mm I.D.
- BB86/92 compatible
- BB Shell Width (mm): 92
- Bottom Bracket Shell I.D.: 41

$31.99
Shimano's Ultegra bottom bracket uses Pro Tour-proven technology for lighter weight and super smooth spinning, while still maintaining the same level of durability and stiffness. It's available in English, Italian, or Press Fit models.

$32.00
A tough bottom bracket that will go as hard as you. The PowerSpline has a heat-treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders.
SPECIFICATIONS:
- BB-FRAME INTERFACE: English/BSA 68E/73mm, English/BSA 68mm, English/BSA 73mm
- CHAINLINE: 46.0mm, 48.5mm, 51.0mm, n/a
- SPINDLE LENGTH: 108mm Spindle, 113mm Spindle, 118mm Spindle
- SUPPORT E-TYPE FD: n/a, Yes
- CRANK-BB INTERFACE: Power Spline
- BEARING TYPE: n/a
- SPINDLE DIAMETER: n/a
- CUP MATERIAL: n/a
- WEIGHT (G): 363
- WEIGHT BASED ON: BSA 73mm, 113mm spindle

$33.00
Bottom brackets from FSA for non-threaded applications.
- Spindle Interface Type: 386 EVO
- BB Shell Width: 86mm
- Bottom Bracket Shell I.D.: 41
- BB/Frame Interface: BB86

$33.00
Bottom brackets from FSA for non-threaded applications.
- 24mm spindle compatibility
- Stainless steel bearings
- Spindle Interface Type: FSA MegaExo
- BB Shell Width: 92mm
- Bottom Bracket Shell I.D.: 41
- BB/Frame Interface: BB92

$33.95
Campagnolo ProTech bottom brackets feature a patented external sealing ring design that protects a strong, resilient fiberglass-charged polyamide central tube from the harmful ingress of water, mud and grit.
- Designed specifically for gravel riding and racing to protect against water, mud & grit

$33.99
• Lightweight seal structure removes grams
• Durable anodized finish
• Includes left and right hand cups, spacers, inner cover, and inner o-rings
• Easy installation with TL-FC25 tool
• Compatible with 24mm crank spindles
• English, threaded: 68/73mm bottom bracket
• Pressfit: BB86/92 bottom brackets

$35.99
- High quality sealed cartridge bearings with steel cups
- Traditional square JIS 2-degree taper crank-arm interface
- 68/73mm English (BC1.37 x 24tpi - RH/LH). Compatible with IRD retrofit cups (sold separately), RD-419

$36.99
This FSA MegaExo bottom bracket is for use MTB MegaExo cranksets with 24mm spindles.
- Sealed bearings
- Die-cast then CNC machined alloy bearing cups
- Composite Di2-compatible adjustable center sleeve

$36.99 - $40.99
Pressfit Model:
• For use on BB86/92 bottom bracket shells
• Compatible with 24mm spindle Hollowtech II cranksets
• BB Shell Width (mm): 92 mm
• BB/Frame Interface: BB86 , BB92
• Bottom Bracket Shell I.D.: 41
• Defined Color: Black
• Spindle Interface Type: Shimano Hollowtech II
Threaded Model:
• Includes 3 x 2.5mm spacers
• Includes TL-FC24 adapter tool
• Reduced size for light weight
• New seal construction for smoother rotation
• Requires TL-FC34 or included TL-FC24 adaptor for installation & removal
• BB Shell Width (mm): 68 mm
• BB/Frame Interface: English
• Defined Color: Black
• Spindle Interface Type: Shimano Hollowtech II
• Weight: 77 g
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